Answer:Educational Value: Sieving helps teach fundamental scientific concepts such as separation techniques and physical properties of materials. It provides hands-on experience in understanding how different materials can be separated based on size.Practical Applications: In subjects like science and geography, sieving is used to separate particles of different sizes in soil samples or to analyze mixtures, which is crucial for practical experiments and data analysis.Skill Development: It enhances students' practical skills and problem-solving abilities, which are essential for scientific inquiry and technical proficiency.Safety and Cleanliness: In laboratory settings, sieving helps in maintaining cleanliness by removing impurities or large particles from materials, ensuring safer and more accurate experiments.